The depth of the bonded seal can be less and the space between the bore and the outside diameter can be changed for ease of fitting. The bonding of rubber to metal is an important factor to be considered in the manufacture of such seals and should be considered carefully, since failure of the bond will cause the seal to fail. The metal case of the oil seal is usually made from mild steel of deep drawing quality which enables blanking, punching, stamping of the steel to the required dimensions.
The material used in the manufacturing of oil seals can also impact their price. Oil seals can be made from a variety of materials, such as rubber, silicone, and metal. The type of material used can affect the performance and longevity of the seal, as well as its cost. For example, oil seals made from high-quality materials such as silicone are likely to be more expensive than seals made from cheaper materials For example, oil seals made from high-quality materials such as silicone are likely to be more expensive than seals made from cheaper materials

The benefits of Viton include:
In conclusion, when looking for spark plug suppliers, it is important to consider factors such as reputation, product quality, customer service, and cost. By choosing a reputable supplier who offers high-quality products and excellent customer service at a competitive price, you can ensure that your engine runs smoothly and efficiently. Look for suppliers who are committed to providing the best products and service to their customers, and you will have peace of mind knowing that your vehicle is in good hands.